Frog chorus, and at least 2 bitterns booming (3 locations, but sounded like one bird had moved).
Fox standing in front of Lower Hide for 15 minutes before unsuccessful stalk of ducks at edge of pool.
21 little egrets left the roost between 6.01 and 6.12. The last 19 going when a harrier flew in and landed beside the roost.
20 goldeneye (3m, 17f) on Lower Pool, including a pair displaying and mating.
16 whooper swans in front of Causeway Hide.
10+ sand martins
Redwing top of Causeway.
